13 A MET 0.42 0.66 0.67 0.3 15 A TRP 0.41 0.99 0.66 0.3 28 A ASN 0.96 0.39 0.67 1.0 29 A GLY 0.83 0.41 0.67 1.0 31 A PHE 0.68 1.00 0.52 1.0 32 A PRO 0.97 0.47 0.48 1.0 33 A GLY 0.87 0.41 0.49 1.0 34 A PRO 0.97 0.47 0.54 1.0 63 A GLY 0.97 0.41 0.27 0.1 64 A ILE 0.69 0.64 0.37 0.1 173 A ASN 0.81 0.39 0.46 0.8 174 A GLY 0.90 0.41 0.48 1.0 176 A GLY 0.78 0.41 0.58 0.2 178 A PHE 0.45 1.00 0.69 0.2 451 A GLY 0.99 0.41 0.39 0.1 452 A HIS 0.81 0.60 0.42 0.1